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Wrapping up the POC

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Increased the msg buffer to allow cell voltages to be transmitted (at least Leaf). Tested OK
This commit is contained in:
Cabooman 2024-02-01 22:25:21 +01:00
parent 44e8e0bb06
commit 620db2cc33
4 changed files with 45 additions and 11 deletions
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20
Software/src/devboard/mqtt/mqtt.cpp
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@ -11,7 +11,7 @@ const size_t mqtt_nof_subscriptions = sizeof(mqtt_subscriptions) / sizeof(mqtt_s
WiFiClient espClient;
PubSubClient client(espClient);
char msg[MSG_BUFFER_SIZE];
char mqtt_msg[MSG_BUFFER_SIZE];
int value = 0;
static unsigned long previousMillisUpdateVal;
MyTimer publish_global_timer(5000);
@ -19,7 +19,7 @@ MyTimer publish_global_timer(5000);
/** Publish global values and call callbacks for specific modules */
static void publish_values(void) {
snprintf(msg, sizeof(msg),
snprintf(mqtt_msg, sizeof(mqtt_msg),
"{\n"
" \"SOC\": %.3f,\n"
" \"StateOfHealth\": %.3f,\n"
@ -28,10 +28,14 @@ static void publish_values(void) {
" \"cell_max_voltage\": %d,\n"
" \"cell_min_voltage\": %d\n"
"}\n",
((float)SOC) / 100.0, ((float)StateOfHealth) / 100.0, ((float)((int16_t)temperature_min)) / 10.0,
((float)((int16_t)temperature_max)) / 10.0, cell_max_voltage, cell_min_voltage);
bool result = client.publish("battery_testing/info", msg, true);
Serial.println(msg); // Uncomment to print the payload on serial
((float)SOC) / 100.0,
((float)StateOfHealth) / 100.0,
((float)((int16_t)temperature_min)) / 10.0,
((float)((int16_t)temperature_max)) / 10.0,
cell_max_voltage,
cell_min_voltage);
bool result = client.publish("battery_testing/info", mqtt_msg, true);
Serial.println(mqtt_msg); // Uncomment to print the payload on serial
}
/* This is called whenever a subscribed topic changes (hopefully) */
@ -94,6 +98,6 @@ void mqtt_loop(void) {
}
}
bool mqtt_publish(const String& topic, const String& payload) {
return client.publish(topic.c_str(), payload.c_str());
bool mqtt_publish_retain(const char *topic) {
return client.publish(topic, mqtt_msg, true);
}